1995 LAND ROVER DISCOVERY Workshop Manual

82AIR CONDITIONING
12
REPAIR
7.Remove nut securing rear fold down seat
mounting frame to wheel arch.
8.Remove 5 bolts securing rear fold down seat
mounting frame.
NOTE: The rear fold down seat mounting
frame retaining nut is located in the LH
rear wheel arch.
9.Remove mounting frame.
10.Disconnect 2, main to rear air conditioning unit
harness multiplugs.
11.Remove 3 bolts securing evaporator/blower
motor assembly to body.
12.Release evaporator/blower motor assembly
pipes from body grommets.
13.Remove evaporator/blower motor assembly.Refit
14.Lubricate body grommets to aid fitment of
evaporator/blower motor assembly pipe unions.
15.Fit evaporator/blower motor assembly, feed pipe
unions through grommets and align to fittings.
16.Fit bolts securing evaporator/blower motor
assembly to body and tighten to
25 Nm.
17.Connect, main to rear air conditioning unit,
harness multiplugs.
18.Position and align rear fold down seat mounting
frame to fittings, fit nut and bolts and tighten to
25 Nm.
19.Lubricate NEW 'O' rings with refrigerant oil, and
fit to pipe unions.
20.Remove plugs, align unions, and tighten to;
High pressure pipe:
14 Nm
Low pressure pipe:22 Nm.
CAUTION: Use 2 spanners when loosening
or tightening air conditioning pipe unions.
21.Fit LH rear mud flap.
See CHASSIS AND
BODY, Repair, mud flap - rear - lh; Refit
22.Fit evaporator to alpine light duct.See
evaporator to alpine light duct; Refit
23.Evacuate and recharge air conditioning system.
See Adjustment, refrigerant recovery
recycling recharging

AIR CONDITIONING
13
REPAIR BLOWER MOTOR - REAR
Service repair no - 82.26.02
Remove
1.Remove evaporator/blower motor assembly.
See evaporator/blower motor assembly -
rear
2.Loosen 2 screws securing high pressure control
valve solenoid to blower motor housing.
3.Disconnect multiplug from blower motor.
4.Release blower motor cooling tube from
evaporator/blower motor housing.
5.Remove 3 screws securing blower motor.
6.Remove blower motor .
Refit
7.Position blower motor to housing and secure
with screws.
8.Secure blower motor cooling tube from
evaporator/blower motor housing.
9.Connect multiplug to blower motor.
10.Tighten screws securing control valve solenoid.
11.Fit evaporator/blower motor assembly.
See
evaporator/blower motor assembly - rear;
Refit
ELECTRONIC CONTROL UNIT - REAR AIR
CONDITIONING
Service repair no - 82.26.03
Remove
1.Remove rear compartment lower trim panel.
See CHASSIS AND BODY, Repair, rear
compartment lower trim panel - lh - with rear
air conditioning fitted
2.Disconnect multiplug from ECU.
3.Remove ECU from mounting bracket.
Refit
4.Fit ECU to mounting bracket and connect
multiplug.
5.Fit rear compartment lower trim panel.
See
CHASSIS AND BODY, Repair, rear
compartment lower trim panel - lh - with rear
air conditioning fitted; Refit

82AIR CONDITIONING
14
REPAIR SOLENOID - HIGH PRESSURE PIPE CONTROL
VALVE - REAR
Service repair no - 82.26.05
Remove
1.Remove evaporator/blower motor assembly.
See evaporator/blower motor assembly -
rear
2.Release multiplug clip from solenoid bracket.
3.Disconnect solenoid multiplug.
4.Loosen 2 control valve unions.
CAUTION: Use 2 spanners when loosening
or tightening air conditioning pipe unions.
5.Remove 2 screws securing control valve to
blower motor housing.
6.Release unions from control valve.
7.Remove and discard 2 'O' ring seals from control
valve.
CAUTION: Immediately plug air
conditioning connections.
8.Remove control valve assembly.
9.Remove 2 screws securing mounting bracket to
control valve.
10.Remove mounting bracket.
11.Noting the direction arrow on control valve,
remove screw securing solenoid to valve.
12.Remove solenoid from valve.

AIR CONDITIONING
15
REPAIR Refit
13.Fit solenoid to valve.
14.Fit but do not tighten screw securing solenoid to
control valve.
NOTE: Ensure arrow on control valve is
pointing in the correct recorded direction.
15.Position mounting bracket to control valve
solenoid and secure with screws.
16.Remove plugs from unions and control valve
connections.
17.Lubricate NEW 'O' rings with refrigerant oil and
fit to valve.
18.Fit control valve to pipes, connect unions, but do
not tighten.
19.Fit and tighten screws securing control valve
mounting bracket to blower motor housing.
20.Tighten control valve unions to
14 Nm.
CAUTION: Use 2 spanners when loosening
or tightening air conditioning pipe unions.
21.Tighten screw securing solenoid to control valve.
22.Connect solenoid multiplug and secure to
solenoid bracket.
23.Fit evaporator/blower motor assembly.
See
evaporator/blower motor assembly - rear;
Refit
CONTROL VALVE - HIGH PRESSURE PIPE - REAR
Service repair no - 82.26.05
Remove
1.Remove evaporator/blower motor assembly.
See evaporator/blower motor assembly -
rear
2.Release multiplug clip from solenoid bracket.
3.Disconnect solenoid multiplug.
4.Loosen 2 control valve unions.
CAUTION: Use 2 spanners when loosening
or tightening air conditioning pipe unions.
5.Remove 2 screws securing control valve to
blower motor housing.
6.Release unions from control valve.
7.Remove and discard 2 'O' ring seals from control
valve.
CAUTION: Immediately plug air
conditioning connections.
8.Remove control valve assembly.

82AIR CONDITIONING
16
REPAIR
9.Remove 2 screws securing mounting bracket to
control valve.
10.Remove mounting bracket.
11.Noting the direction arrow on control valve,
remove screw securing solenoid to valve.
12.Remove solenoid from valve.Refit
13.Fit solenoid to valve.
14.Fit but do not tighten screw securing solenoid to
control valve.
NOTE: Ensure arrow on control valve is
pointing in the correct recorded direction.
15.Position mounting bracket to control valve
solenoid and secure with screws.
16.Remove plugs from unions and control valve
connections.
17.Lubricate NEW 'O' rings with refrigerant oil and
fit to valve.
18.Fit control valve to pipes, connect unions, but do
not tighten.
19.Fit and tighten screws securing control valve
mounting bracket to blower motor housing.
20.Tighten control valve unions to
14 Nm.
CAUTION: Use 2 spanners when loosening
or tightening air conditioning pipe unions.
21.Tighten screw securing solenoid to control valve.
22.Connect solenoid multiplug and secure to
solenoid bracket .
23.Fit evaporator/blower motor assembly.
See
evaporator/blower motor assembly - rear;
Refit

AIR CONDITIONING
17
REPAIR EXPANSION VALVE - REAR
Service repair no - 82.26.07
Remove
1.Remove evaporator/blower motor assembly.
See evaporator/blower motor assembly -
rear
2.Remove foam insulation from expansion valve
and expansion valve probe.
3.Remove expansion valve probe retaining clip.
4.Loosen expansion valve unions.
CAUTION: Use 2 spanners when loosening
or tightening air conditioning pipe unions.
5.Remove and discard 'O' rings from evaporator
and air conditioning pipes.
6.Plug expansion valve and connections.
7.Remove expansion valve.Refit
8.Position expansion valve probe to evaporator
pipe and secure with clip.
9.Remove plugs from expansion valve and
connections.
10.Lubricate NEW 'O' rings and fit to pipes.
11.Position expansion valve to pressure pipe and
tighten union to
14 Nm.
12.Position expansion valve to evaporator pipe and
tighten union to
22 Nm.
CAUTION: Use 2 spanners when loosening
or tightening air conditioning pipe unions.
13.Remove backing paper from NEW foam
insulation.
14.Fit foam insulation to expansion valve and
expansion valve probe.
15.Fit evaporator/blower motor assembly.
See
evaporator/blower motor assembly - rear;
Refit

82AIR CONDITIONING
18
REPAIR EVAPORATOR - REAR
Service repair no - 82.26.08
Remove
1.Remove evaporator/blower motor assembly
harness.
See harness - evaporator/blower
motor assembly - rear
2.Remove foam seal from evaporator to alpine
light duct flange.
3.Remove screw securing air conditioning
pressure pipe 'P' clip to casing.
4.Remove 4 screws securing evaporator/blower
motor lower casing.
5.Remove lower casing.
6.Remove foam insulation from expansion valve
and expansion valve probe.
7.Loosen expansion valve to evaporator union.
CAUTION: Use 2 spanners when loosening
or tightening air conditioning pipe unions.
8.Remove and discard 'O' ring from evaporator
pipe.
9.Plug expansion valve to evaporator connections.
10.Remove expansion valve probe retaining clip.

AIR CONDITIONING
19
REPAIR
11.Remove 6 screws securing evaporator/blower
motor casing halves.
12.Remove 4 clips securing evaporator/blower
motor casing halves.
13.Separate evaporator/blower motor casing whilst
extracting the thermostat probe from evaporator
matrix.
14.Remove evaporator.Refit
15.Position evaporator and align to casing.
16.Position casing halves together whilst inserting
thermostat probe into evaporator matrix.
NOTE: Ensure thermostat probe is
positioned correctly through casing.
17.Fit clips securing evaporator/blower motor
casing halves.
18.Fit and tighten screws securing
evaporator/blower motor casing halves.
19.Position expansion valve probe to evaporator
pipe and secure with clip.
20.Remove plugs from expansion valve and
evaporator pipe connections.
21.Lubricate NEW 'O' ring and fit to evaporator
pipe.
22.Position expansion valve to evaporator pipe and
tighten union to
22 Nm.
CAUTION: Use 2 spanners when loosening
or tightening air conditioning pipe unions.
23.Remove backing paper from NEW foam
insulation.
24.Fit foam insulation to expansion valve and
expansion valve probe.
25.Position evaporator/blower motor lower casing
and secure with screws.
26.Position air conditioning pressure pipe 'P' clip to
evaporator/ blower motor casing and secure with
screw.
27.Remove backing paper from NEW
foam,evaporator to alpine light duct, flange seal.
28.Fit foam seal to evaporator/blower motor casing
flange.
29.Fit evaporator/blower motor assembly harness.
See harness - evaporator/blower motor
assembly - rear; Refit